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Diffstat (limited to 'target-i386/hyperv.h')
| -rw-r--r-- | target-i386/hyperv.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/target-i386/hyperv.h b/target-i386/hyperv.h new file mode 100644 index 0000000000..15467bf397 --- /dev/null +++ b/target-i386/hyperv.h @@ -0,0 +1,43 @@ +/* + * QEMU Hyper-V support + * + * Copyright Red Hat, Inc. 2011 + * + * Author: Vadim Rozenfeld <vrozenfe@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef QEMU_HW_HYPERV_H +#define QEMU_HW_HYPERV_H 1 + +#include "qemu-common.h" +#include <asm/hyperv.h> + +#ifndef HYPERV_SPINLOCK_NEVER_RETRY +#define HYPERV_SPINLOCK_NEVER_RETRY 0xFFFFFFFF +#endif + +#ifndef KVM_CPUID_SIGNATURE_NEXT +#define KVM_CPUID_SIGNATURE_NEXT 0x40000100 +#endif + +#ifndef CONFIG_USER_ONLY +void hyperv_enable_vapic_recommended(bool val); +void hyperv_enable_relaxed_timing(bool val); +void hyperv_set_spinlock_retries(int val); +#else +static inline void hyperv_enable_vapic_recommended(bool val) { } +static inline void hyperv_enable_relaxed_timing(bool val) { } +static inline void hyperv_set_spinlock_retries(int val) { } +#endif + +bool hyperv_enabled(void); +bool hyperv_hypercall_available(void); +bool hyperv_vapic_recommended(void); +bool hyperv_relaxed_timing_enabled(void); +int hyperv_get_spinlock_retries(void); + +#endif /* QEMU_HW_HYPERV_H */ |