1 #ifndef __LINUX_KVM_PARA_H
2 #define __LINUX_KVM_PARA_H
3 
4 /*
5  * This header file provides a method for making a hypercall to the host
6  * Architectures should define:
7  * - kvm_hypercall0, kvm_hypercall1...
8  * - kvm_arch_para_features
9  * - kvm_para_available
10  */
11 
12 /* Return values for hypercalls */
13 #define KVM_ENOSYS		1000
14 #define KVM_EFAULT		EFAULT
15 #define KVM_E2BIG		E2BIG
16 #define KVM_EPERM		EPERM
17 
18 #define KVM_HC_VAPIC_POLL_IRQ		1
19 #define KVM_HC_MMU_OP			2
20 #define KVM_HC_FEATURES			3
21 #define KVM_HC_PPC_MAP_MAGIC_PAGE	4
22 
23 /*
24  * hypercalls use architecture specific
25  */
26 #include <asm/kvm_para.h>
27 
28 #ifdef __KERNEL__
29 
kvm_para_has_feature(unsigned int feature)30 static inline int kvm_para_has_feature(unsigned int feature)
31 {
32 	if (kvm_arch_para_features() & (1UL << feature))
33 		return 1;
34 	return 0;
35 }
36 #endif /* __KERNEL__ */
37 #endif /* __LINUX_KVM_PARA_H */
38 
39