diff options
Diffstat (limited to 'arch/mips/include/asm/kvm_para.h')
-rw-r--r-- | arch/mips/include/asm/kvm_para.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/arch/mips/include/asm/kvm_para.h b/arch/mips/include/asm/kvm_para.h deleted file mode 100644 index b57e978b0946..000000000000 --- a/arch/mips/include/asm/kvm_para.h +++ /dev/null @@ -1,115 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#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; -} - -static inline unsigned int kvm_arch_para_hints(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 */ |