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-rw-r--r--arch/loongarch/include/asm/loongarch.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/loongarch.h b/arch/loongarch/include/asm/loongarch.h
index 46366e783c..eb09adda54 100644
--- a/arch/loongarch/include/asm/loongarch.h
+++ b/arch/loongarch/include/asm/loongarch.h
@@ -158,6 +158,18 @@
#define CPUCFG48_VFPU_CG BIT(2)
#define CPUCFG48_RAM_CG BIT(3)
+/*
+ * CPUCFG index area: 0x40000000 -- 0x400000ff
+ * SW emulation for KVM hypervirsor
+ */
+#define CPUCFG_KVM_BASE 0x40000000
+#define CPUCFG_KVM_SIZE 0x100
+
+#define CPUCFG_KVM_SIG (CPUCFG_KVM_BASE + 0)
+#define KVM_SIGNATURE "KVM\0"
+#define CPUCFG_KVM_FEATURE (CPUCFG_KVM_BASE + 4)
+#define KVM_FEATURE_IPI BIT(1)
+
#ifndef __ASSEMBLY__
/* CSR */