diff options
Diffstat (limited to 'arch/x86/include/asm/hypervisor.h')
| -rw-r--r-- | arch/x86/include/asm/hypervisor.h | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h index b518c750993..e42f758a0fb 100644 --- a/arch/x86/include/asm/hypervisor.h +++ b/arch/x86/include/asm/hypervisor.h @@ -20,12 +20,11 @@ #ifndef _ASM_X86_HYPERVISOR_H #define _ASM_X86_HYPERVISOR_H +#ifdef CONFIG_HYPERVISOR_GUEST + #include <asm/kvm_para.h> #include <asm/xen/hypervisor.h> -extern void init_hypervisor(struct cpuinfo_x86 *c); -extern void init_hypervisor_platform(void); - /* * x86 hypervisor information */ @@ -34,13 +33,16 @@ struct hypervisor_x86 { const char *name; /* Detection routine */ - bool (*detect)(void); + uint32_t (*detect)(void); /* Adjust CPU feature bits (run once per CPU) */ void (*set_cpu_features)(struct cpuinfo_x86 *); /* Platform setup (run once per boot) */ void (*init_platform)(void); + + /* X2APIC detection (run once per boot) */ + bool (*x2apic_available)(void); }; extern const struct hypervisor_x86 *x86_hyper; @@ -51,13 +53,12 @@ extern const struct hypervisor_x86 x86_hyper_ms_hyperv; extern const struct hypervisor_x86 x86_hyper_xen_hvm; extern const struct hypervisor_x86 x86_hyper_kvm; -static inline bool hypervisor_x2apic_available(void) -{ - if (kvm_para_available()) - return true; - if (xen_x2apic_para_available()) - return true; - return false; -} - -#endif +extern void init_hypervisor(struct cpuinfo_x86 *c); +extern void init_hypervisor_platform(void); +extern bool hypervisor_x2apic_available(void); +#else +static inline void init_hypervisor(struct cpuinfo_x86 *c) { } +static inline void init_hypervisor_platform(void) { } +static inline bool hypervisor_x2apic_available(void) { return false; } +#endif /* CONFIG_HYPERVISOR_GUEST */ +#endif /* _ASM_X86_HYPERVISOR_H */ |