From: Bibo Mao <maobibo@loongson.cn>
Date: Fri, 6 Jun 2025 06:30:29 +0000 (+0800)
Subject: hw/intc/loongarch_pch: Inject irq line interrupt to kernel
X-Git-Tag: v10.1.0-rc0~47^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0dd6798a1adda03dcfa6304437faa8e62a193d9c;p=thirdparty%2Fqemu.git

hw/intc/loongarch_pch: Inject irq line interrupt to kernel

If kvm_irqchip_in_kernel() return true, irq line interrupt can be
injected with API kvm_set_irq() to KVM.

Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Message-ID: <20250606063033.2557365-10-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
---

diff --git a/hw/intc/loongarch_pch_pic.c b/hw/intc/loongarch_pch_pic.c
index 13b5766444c..1adef980d48 100644
--- a/hw/intc/loongarch_pch_pic.c
+++ b/hw/intc/loongarch_pch_pic.c
@@ -49,6 +49,11 @@ static void pch_pic_irq_handler(void *opaque, int irq, int level)
     assert(irq < s->irq_num);
     trace_loongarch_pch_pic_irq_handler(irq, level);
 
+    if (kvm_irqchip_in_kernel()) {
+        kvm_set_irq(kvm_state, irq, !!level);
+        return;
+    }
+
     if (s->intedge & mask) {
         /* Edge triggered */
         if (level) {