[PATCH 13/15] hw/intc/loongarch_pch: Inject irq line interrupt to kernel

[Bibo Mao]

If property irqchip_in_kernel is enabled, irq line interrupt can be
injected with API kvm_set_irq() to KVM.

Signed-off-by: Bibo Mao <maob...@loongson.cn>
---
 hw/intc/loongarch_pch_pic.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/intc/loongarch_pch_pic.c b/hw/intc/loongarch_pch_pic.c
index e8dfd0ed75..fb063173b7 100644
--- a/hw/intc/loongarch_pch_pic.c
+++ b/hw/intc/loongarch_pch_pic.c
@@ -45,11 +45,17 @@ static void pch_pic_update_irq(LoongArchPICCommonState *s, 
uint64_t mask,
 static void pch_pic_irq_handler(void *opaque, int irq, int level)
 {
     LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(opaque);
+    LoongarchPICState *lps = LOONGARCH_PIC(opaque);
     uint64_t mask = 1ULL << irq;
 
     assert(irq < s->irq_num);
     trace_loongarch_pch_pic_irq_handler(irq, level);
 
+    if (kvm_enabled() && lps->irqchip_in_kernel) {
+        kvm_set_irq(kvm_state, irq, !!level);
+        return;
+    }
+
     if (s->intedge & mask) {
         /* Edge triggered */
         if (level) {
-- 
2.39.3