diff options
Diffstat (limited to 'arch/x86/include/asm/xen/hypervisor.h')
| -rw-r--r-- | arch/x86/include/asm/xen/hypervisor.h | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h index d5b7e90c0ed..d866959e568 100644 --- a/arch/x86/include/asm/xen/hypervisor.h +++ b/arch/x86/include/asm/xen/hypervisor.h @@ -33,35 +33,28 @@ #ifndef _ASM_X86_XEN_HYPERVISOR_H #define _ASM_X86_XEN_HYPERVISOR_H -/* arch/i386/kernel/setup.c */ extern struct shared_info *HYPERVISOR_shared_info; extern struct start_info *xen_start_info; -enum xen_domain_type { - XEN_NATIVE, /* running on bare hardware */ - XEN_PV_DOMAIN, /* running in a PV domain */ - XEN_HVM_DOMAIN, /* running in a Xen hvm domain */ -}; +#include <asm/processor.h> + +static inline uint32_t xen_cpuid_base(void) +{ + return hypervisor_cpuid_base("XenVMMXenVMM", 2); +} #ifdef CONFIG_XEN -extern enum xen_domain_type xen_domain_type; +extern bool xen_hvm_need_lapic(void); + +static inline bool xen_x2apic_para_available(void) +{ + return xen_hvm_need_lapic(); +} #else -#define xen_domain_type XEN_NATIVE +static inline bool xen_x2apic_para_available(void) +{ + return (xen_cpuid_base() != 0); +} #endif -#define xen_domain() (xen_domain_type != XEN_NATIVE) -#define xen_pv_domain() (xen_domain() && \ - xen_domain_type == XEN_PV_DOMAIN) -#define xen_hvm_domain() (xen_domain() && \ - xen_domain_type == XEN_HVM_DOMAIN) - -#ifdef CONFIG_XEN_DOM0 -#include <xen/interface/xen.h> - -#define xen_initial_domain() (xen_pv_domain() && \ - xen_start_info->flags & SIF_INITDOMAIN) -#else /* !CONFIG_XEN_DOM0 */ -#define xen_initial_domain() (0) -#endif /* CONFIG_XEN_DOM0 */ - #endif /* _ASM_X86_XEN_HYPERVISOR_H */ |