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Ingo Molnar102d8322007-02-19 14:37:47 +02001#ifndef __LINUX_KVM_PARA_H
2#define __LINUX_KVM_PARA_H
3
Christian Borntraeger5f432382007-10-11 15:34:17 +02004/*
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
Anthony Liguori7aa81cc2007-09-17 14:57:50 -050010 */
Anthony Liguori7aa81cc2007-09-17 14:57:50 -050011
12/* Return values for hypercalls */
13#define KVM_ENOSYS 1000
14
Avi Kivityb93463a2007-10-25 16:52:32 +020015#define KVM_HC_VAPIC_POLL_IRQ 1
16
Christian Borntraeger5f432382007-10-11 15:34:17 +020017/*
18 * hypercalls use architecture specific
Anthony Liguori7aa81cc2007-09-17 14:57:50 -050019 */
Christian Borntraeger5f432382007-10-11 15:34:17 +020020#include <asm/kvm_para.h>
Anthony Liguori7aa81cc2007-09-17 14:57:50 -050021
Glauber de Oliveira Costaa03d7f42008-01-15 13:10:15 -020022#ifdef __KERNEL__
Anthony Liguori7aa81cc2007-09-17 14:57:50 -050023static inline int kvm_para_has_feature(unsigned int feature)
24{
Christian Borntraeger5f432382007-10-11 15:34:17 +020025 if (kvm_arch_para_features() & (1UL << feature))
Anthony Liguori7aa81cc2007-09-17 14:57:50 -050026 return 1;
27 return 0;
28}
Christian Borntraeger5f432382007-10-11 15:34:17 +020029#endif /* __KERNEL__ */
30#endif /* __LINUX_KVM_PARA_H */
Anthony Liguori7aa81cc2007-09-17 14:57:50 -050031