#ifndef _XEN_XEN_H #define _XEN_XEN_H 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 */ }; #ifdef [31mCONFIG_XEN[0m extern enum xen_domain_type xen_domain_type; #else #define xen_domain_type XEN_NATIVE #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 [31mCONFIG_XEN_DOM0[0m #include <xen/interface/xen.h> #include <asm/xen/hypervisor.h> #define xen_initial_domain() (xen_domain() && \ xen_start_info && xen_start_info->flags & SIF_INITDOMAIN) #else /* !CONFIG_XEN_DOM0 */ #define xen_initial_domain() (0) #endif /* CONFIG_XEN_DOM0 */ #ifdef [31mCONFIG_XEN_PVH[0m /* This functionality exists only for x86. The XEN_PVHVM support exists * only in x86 world - hence on ARM it will be always disabled. * N.B. ARM guests are neither PV nor HVM nor PVHVM. * It's a bit like PVH but is different also (it's further towards the H * end of the spectrum than even PVH). */ #include <xen/features.h> #define xen_pvh_domain() (xen_pv_domain() && \ xen_feature(XENFEAT_auto_translated_physmap)) #else #define xen_pvh_domain() (0) #endif #endif /* _XEN_XEN_H */ |