https://github.com/torvalds/linux
Raw File
Tip revision: 7e27d6e778cd87b6f2415515d7127eba53fe5d02 authored by Linus Torvalds on 12 June 2010, 02:14:04 UTC
Linux 2.6.35-rc3
Tip revision: 7e27d6e
kvm_para.h
#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

/*
 * hypercalls use architecture specific
 */
#include <asm/kvm_para.h>

#ifdef __KERNEL__
#ifdef CONFIG_KVM_GUEST
void __init kvm_guest_init(void);
#else
#define kvm_guest_init() do { } while (0)
#endif

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 */

back to top