1 files changed, 31 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/kvm_pch_pic.h b/arch/loongarch/include/asm/kvm_pch_pic.h
new file mode 100644
index 000000000000..914be4fd35e9
--- /dev/null
+++ b/arch/loongarch/include/asm/kvm_pch_pic.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2024 Loongson Technology Corporation Limited
+ */
+
+#ifndef __ASM_KVM_PCH_PIC_H
+#define __ASM_KVM_PCH_PIC_H
+
+#include <kvm/iodev.h>
+
+struct loongarch_pch_pic {
+	spinlock_t lock;
+	struct kvm *kvm;
+	struct kvm_io_device device;
+	uint64_t mask; /* 1:disable irq, 0:enable irq */
+	uint64_t htmsi_en; /* 1:msi */
+	uint64_t edge; /* 1:edge triggered, 0:level triggered */
+	uint64_t auto_ctrl0; /* only use default value 00b */
+	uint64_t auto_ctrl1; /* only use default value 00b */
+	uint64_t last_intirr; /* edge detection */
+	uint64_t irr; /* interrupt request register */
+	uint64_t isr; /* interrupt service register */
+	uint64_t polarity; /* 0: high level trigger, 1: low level trigger */
+	uint8_t  route_entry[64]; /* default value 0, route to int0: eiointc */
+	uint8_t  htmsi_vector[64]; /* irq route table for routing to eiointc */
+	uint64_t pch_pic_base;
+};
+
+int kvm_loongarch_register_pch_pic_device(void);
+
+#endif /* __ASM_KVM_PCH_PIC_H */