LXR linux/include/linux/kvm

   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
  27void __init kvm_guest_init(void);
  28#else
  29#define kvm_guest_init() do { } while (0)
  30#endif
  31
  32static 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
  41