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-rw-r--r--arch/mips/include/asm/kvm_para.h109
-rw-r--r--arch/mips/include/uapi/asm/kvm_para.h6
2 files changed, 114 insertions, 1 deletions
diff --git a/arch/mips/include/asm/kvm_para.h b/arch/mips/include/asm/kvm_para.h
new file mode 100644
index 000000000000..5a9aa918abe6
--- /dev/null
+++ b/arch/mips/include/asm/kvm_para.h
@@ -0,0 +1,109 @@
+#ifndef _ASM_MIPS_KVM_PARA_H
+#define _ASM_MIPS_KVM_PARA_H
+
+#include <uapi/asm/kvm_para.h>
+
+#define KVM_HYPERCALL ".word 0x42000028"
+
+/*
+ * Hypercalls for KVM.
+ *
+ * Hypercall number is passed in v0.
+ * Return value will be placed in v0.
+ * Up to 3 arguments are passed in a0, a1, and a2.
+ */
+static inline unsigned long kvm_hypercall0(unsigned long num)
+{
+ register unsigned long n asm("v0");
+ register unsigned long r asm("v0");
+
+ n = num;
+ __asm__ __volatile__(
+ KVM_HYPERCALL
+ : "=r" (r) : "r" (n) : "memory"
+ );
+
+ return r;
+}
+
+static inline unsigned long kvm_hypercall1(unsigned long num,
+ unsigned long arg0)
+{
+ register unsigned long n asm("v0");
+ register unsigned long r asm("v0");
+ register unsigned long a0 asm("a0");
+
+ n = num;
+ a0 = arg0;
+ __asm__ __volatile__(
+ KVM_HYPERCALL
+ : "=r" (r) : "r" (n), "r" (a0) : "memory"
+ );
+
+ return r;
+}
+
+static inline unsigned long kvm_hypercall2(unsigned long num,
+ unsigned long arg0, unsigned long arg1)
+{
+ register unsigned long n asm("v0");
+ register unsigned long r asm("v0");
+ register unsigned long a0 asm("a0");
+ register unsigned long a1 asm("a1");
+
+ n = num;
+ a0 = arg0;
+ a1 = arg1;
+ __asm__ __volatile__(
+ KVM_HYPERCALL
+ : "=r" (r) : "r" (n), "r" (a0), "r" (a1) : "memory"
+ );
+
+ return r;
+}
+
+static inline unsigned long kvm_hypercall3(unsigned long num,
+ unsigned long arg0, unsigned long arg1, unsigned long arg2)
+{
+ register unsigned long n asm("v0");
+ register unsigned long r asm("v0");
+ register unsigned long a0 asm("a0");
+ register unsigned long a1 asm("a1");
+ register unsigned long a2 asm("a2");
+
+ n = num;
+ a0 = arg0;
+ a1 = arg1;
+ a2 = arg2;
+ __asm__ __volatile__(
+ KVM_HYPERCALL
+ : "=r" (r) : "r" (n), "r" (a0), "r" (a1), "r" (a2) : "memory"
+ );
+
+ return r;
+}
+
+static inline bool kvm_check_and_clear_guest_paused(void)
+{
+ return false;
+}
+
+static inline unsigned int kvm_arch_para_features(void)
+{
+ return 0;
+}
+
+#ifdef CONFIG_MIPS_PARAVIRT
+static inline bool kvm_para_available(void)
+{
+ return true;
+}
+#else
+static inline bool kvm_para_available(void)
+{
+ return false;
+}
+#endif
+
+
+#endif /* _ASM_MIPS_KVM_PARA_H */
diff --git a/arch/mips/include/uapi/asm/kvm_para.h b/arch/mips/include/uapi/asm/kvm_para.h
index 14fab8f0b957..7e16d7c42e65 100644
--- a/arch/mips/include/uapi/asm/kvm_para.h
+++ b/arch/mips/include/uapi/asm/kvm_para.h
@@ -1 +1,5 @@
-#include <asm-generic/kvm_para.h>
+#ifndef _UAPI_ASM_MIPS_KVM_PARA_H
+#define _UAPI_ASM_MIPS_KVM_PARA_H
+
+
+#endif /* _UAPI_ASM_MIPS_KVM_PARA_H */
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