On real hardware, NMI button events are injected via the LINT1 line of
the APICs. E.g. kdump expect this wiring and gets upset if the per-APIC
LINT1 mask is not respected, i.e. if NMIs are injected to VCPUs that
should not receive them. Change the APIC emulation code to reflect this.
Based on qemu-kvm patch by Lai Jiangshan.
CC: Lai Jiangshan <laijs@cn.fujitsu.com>
Reported-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
CPUState *env;
for (env = first_cpu; env != NULL; env = env->next_cpu) {
- cpu_interrupt(env, CPU_INTERRUPT_NMI);
+ if (!env->apic_state) {
+ cpu_interrupt(env, CPU_INTERRUPT_NMI);
+ } else {
+ apic_deliver_nmi(env->apic_state);
+ }
}
#else
error_set(errp, QERR_UNSUPPORTED);
}
}
+void apic_deliver_nmi(DeviceState *d)
+{
+ APICState *s = DO_UPCAST(APICState, busdev.qdev, d);
+
+ apic_local_deliver(s, APIC_LVT_LINT1);
+}
+
#define foreach_apic(apic, deliver_bitmask, code) \
{\
int __i, __j, __mask;\
uint8_t vector_num, uint8_t trigger_mode);
int apic_accept_pic_intr(DeviceState *s);
void apic_deliver_pic_intr(DeviceState *s, int level);
+void apic_deliver_nmi(DeviceState *d);
int apic_get_interrupt(DeviceState *s);
void apic_reset_irq_delivered(void);
int apic_get_irq_delivered(void);