[PATCH v2 02/11] hw/ppc/spapr: Remove SpaprMachineClass::nr_xirqs field

Philippe Mathieu-Daudé
2025-10-21T08:43:59Z

The SpaprMachineClass::nr_xirqs field was only used by the
pseries-3.0 machine, which got removed. Remove it as now unused.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
include/hw/ppc/spapr.h | 1 -
hw/ppc/spapr.c | 1 -
hw/ppc/spapr_irq.c | 22 +++++++---------------
3 files changed, 7 insertions(+), 17 deletions(-)

diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 0c1e5132de2..494367fb99a 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -145,7 +145,6 @@ struct SpaprMachineClass {
/*< public >*/
bool dr_phb_enabled; /* enable dynamic-reconfig/hotplug of PHBs */
bool update_dt_enabled; /* enable KVMPPC_H_UPDATE_DT */
- uint32_t nr_xirqs;
bool broken_host_serial_model; /* present real host info to the guest */
bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
bool linux_pci_probe;
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 426a778d3e8..b5d20bc1756 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4691,7 +4691,6 @@ static void spapr_machine_class_init(ObjectClass *oc, const void *data)
smc->dr_phb_enabled = true;
smc->linux_pci_probe = true;
smc->smp_threads_vsmt = true;
- smc->nr_xirqs = SPAPR_NR_XIRQS;
xfc->match_nvt = spapr_match_nvt;
vmc->client_architecture_support = spapr_vof_client_architecture_support;
vmc->quiesce = spapr_vof_quiesce;
diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
index 317d57a3802..2ce323457be 100644
--- a/hw/ppc/spapr_irq.c
+++ b/hw/ppc/spapr_irq.c
@@ -279,15 +279,11 @@ void spapr_irq_dt(SpaprMachineState *spapr, uint32_t nr_servers,

uint32_t spapr_irq_nr_msis(SpaprMachineState *spapr)
{
- SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
-
- return SPAPR_XIRQ_BASE + smc->nr_xirqs - SPAPR_IRQ_MSI;
+ return SPAPR_NR_XIRQS + SPAPR_XIRQ_BASE - SPAPR_IRQ_MSI;
}

void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
{
- SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
-
if (kvm_enabled() && kvm_kernel_irqchip_split()) {
error_setg(errp, "kernel_irqchip split mode not supported on pseries");
return;
@@ -308,7 +304,7 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
object_property_add_child(OBJECT(spapr), "ics", obj);
object_property_set_link(obj, ICS_PROP_XICS, OBJECT(spapr),
&error_abort);
- object_property_set_int(obj, "nr-irqs", smc->nr_xirqs, &error_abort);
+ object_property_set_int(obj, "nr-irqs", SPAPR_NR_XIRQS, &error_abort);
if (!qdev_realize(DEVICE(obj), NULL, errp)) {
return;
}
@@ -322,7 +318,7 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
int i;

dev = qdev_new(TYPE_SPAPR_XIVE);
- qdev_prop_set_uint32(dev, "nr-irqs", smc->nr_xirqs + SPAPR_IRQ_NR_IPIS);
+ qdev_prop_set_uint32(dev, "nr-irqs", SPAPR_NR_XIRQS + SPAPR_IRQ_NR_IPIS);
/*
* 8 XIVE END structures per CPU. One for each available
* priority
@@ -349,7 +345,7 @@ void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
}

spapr->qirqs = qemu_allocate_irqs(spapr_set_irq, spapr,
- smc->nr_xirqs + SPAPR_IRQ_NR_IPIS);
+ SPAPR_NR_XIRQS + SPAPR_IRQ_NR_IPIS);

/*
* Mostly we don't actually need this until reset, except that not
@@ -364,11 +360,10 @@ int spapr_irq_claim(SpaprMachineState *spapr, int irq, bool lsi, Error **errp)
{
SpaprInterruptController *intcs[] = ALL_INTCS(spapr);
int i;
- SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
int rc;

assert(irq >= SPAPR_XIRQ_BASE);
- assert(irq < (smc->nr_xirqs + SPAPR_XIRQ_BASE));
+ assert(irq < (SPAPR_NR_XIRQS + SPAPR_XIRQ_BASE));

for (i = 0; i < ARRAY_SIZE(intcs); i++) {
SpaprInterruptController *intc = intcs[i];
@@ -388,10 +383,9 @@ void spapr_irq_free(SpaprMachineState *spapr, int irq, int num)
{
SpaprInterruptController *intcs[] = ALL_INTCS(spapr);
int i, j;
- SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);

assert(irq >= SPAPR_XIRQ_BASE);
- assert((irq + num) <= (smc->nr_xirqs + SPAPR_XIRQ_BASE));
+ assert((irq + num) <= (SPAPR_NR_XIRQS + SPAPR_XIRQ_BASE));

for (i = irq; i < (irq + num); i++) {
for (j = 0; j < ARRAY_SIZE(intcs); j++) {
@@ -408,8 +402,6 @@ void spapr_irq_free(SpaprMachineState *spapr, int irq, int num)

qemu_irq spapr_qirq(SpaprMachineState *spapr, int irq)
{
- SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
-
/*
* This interface is basically for VIO and PHB devices to find the
* right qemu_irq to manipulate, so we only allow access to the
@@ -418,7 +410,7 @@ qemu_irq spapr_qirq(SpaprMachineState *spapr, int irq)
* interfaces, we can change this if we need to in future.
*/
assert(irq >= SPAPR_XIRQ_BASE);
- assert(irq < (smc->nr_xirqs + SPAPR_XIRQ_BASE));
+ assert(irq < (SPAPR_NR_XIRQS + SPAPR_XIRQ_BASE));

if (spapr->ics) {
assert(ics_valid_irq(spapr->ics, irq));
--
2.51.0