diff options
Diffstat (limited to 'include/linux/kvm_para.h')
| -rw-r--r-- | include/linux/kvm_para.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h new file mode 100644 index 00000000..ff476dda --- /dev/null +++ b/include/linux/kvm_para.h @@ -0,0 +1,37 @@ +#ifndef __LINUX_KVM_PARA_H +#define __LINUX_KVM_PARA_H + +/* + * This header file provides a method for making a hypercall to the host + * Architectures should define: + * - kvm_hypercall0, kvm_hypercall1... + * - kvm_arch_para_features + * - kvm_para_available + */ + +/* Return values for hypercalls */ +#define KVM_ENOSYS 1000 +#define KVM_EFAULT EFAULT +#define KVM_E2BIG E2BIG +#define KVM_EPERM EPERM + +#define KVM_HC_VAPIC_POLL_IRQ 1 +#define KVM_HC_MMU_OP 2 +#define KVM_HC_FEATURES 3 +#define KVM_HC_PPC_MAP_MAGIC_PAGE 4 + +/* + * hypercalls use architecture specific + */ +#include <asm/kvm_para.h> + +#ifdef __KERNEL__ + +static inline int kvm_para_has_feature(unsigned int feature) +{ + if (kvm_arch_para_features() & (1UL << feature)) + return 1; + return 0; +} +#endif /* __KERNEL__ */ +#endif /* __LINUX_KVM_PARA_H */ |