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#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
  30static 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