| Ingo Molnar | 102d832 | 2007-02-19 14:37:47 +0200 | [diff] [blame] | 1 | #ifndef __LINUX_KVM_PARA_H |
| 2 | #define __LINUX_KVM_PARA_H |
| 3 | |
| Christian Borntraeger | 5f43238 | 2007-10-11 15:34:17 +0200 | [diff] [blame^] | 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 |
| Anthony Liguori | 7aa81cc | 2007-09-17 14:57:50 -0500 | [diff] [blame] | 10 | */ |
| Anthony Liguori | 7aa81cc | 2007-09-17 14:57:50 -0500 | [diff] [blame] | 11 | |
| 12 | /* Return values for hypercalls */ |
| 13 | #define KVM_ENOSYS 1000 |
| 14 | |
| 15 | #ifdef __KERNEL__ |
| Christian Borntraeger | 5f43238 | 2007-10-11 15:34:17 +0200 | [diff] [blame^] | 16 | /* |
| 17 | * hypercalls use architecture specific |
| Anthony Liguori | 7aa81cc | 2007-09-17 14:57:50 -0500 | [diff] [blame] | 18 | */ |
| Christian Borntraeger | 5f43238 | 2007-10-11 15:34:17 +0200 | [diff] [blame^] | 19 | #include <asm/kvm_para.h> |
| Anthony Liguori | 7aa81cc | 2007-09-17 14:57:50 -0500 | [diff] [blame] | 20 | |
| 21 | static inline int kvm_para_has_feature(unsigned int feature) |
| 22 | { |
| Christian Borntraeger | 5f43238 | 2007-10-11 15:34:17 +0200 | [diff] [blame^] | 23 | if (kvm_arch_para_features() & (1UL << feature)) |
| Anthony Liguori | 7aa81cc | 2007-09-17 14:57:50 -0500 | [diff] [blame] | 24 | return 1; |
| 25 | return 0; |
| 26 | } |
| Christian Borntraeger | 5f43238 | 2007-10-11 15:34:17 +0200 | [diff] [blame^] | 27 | #endif /* __KERNEL__ */ |
| 28 | #endif /* __LINUX_KVM_PARA_H */ |
| Anthony Liguori | 7aa81cc | 2007-09-17 14:57:50 -0500 | [diff] [blame] | 29 | |