Merge branch 'linus' into x86/cleanups
[linux-2.6] / include / linux / kvm_para.h
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
17 #define KVM_HC_VAPIC_POLL_IRQ           1
18 #define KVM_HC_MMU_OP                   2
19
20 /*
21  * hypercalls use architecture specific
22  */
23 #include <asm/kvm_para.h>
24
25 #ifdef __KERNEL__
26 #ifdef CONFIG_KVM_GUEST
27 void __init kvm_guest_init(void);
28 #else
29 #define kvm_guest_init() do { } while (0)
30 #endif
31
32 static inline int kvm_para_has_feature(unsigned int feature)
33 {
34         if (kvm_arch_para_features() & (1UL << feature))
35                 return 1;
36         return 0;
37 }
38 #endif /* __KERNEL__ */
39 #endif /* __LINUX_KVM_PARA_H */
40