1#ifndef _XEN_XEN_H 2#define _XEN_XEN_H 3 4enum xen_domain_type { 5 XEN_NATIVE, /* running on bare hardware */ 6 XEN_PV_DOMAIN, /* running in a PV domain */ 7 XEN_HVM_DOMAIN, /* running in a Xen hvm domain */ 8}; 9 10#ifdef CONFIG_XEN 11extern enum xen_domain_type xen_domain_type; 12#else 13#define xen_domain_type XEN_NATIVE 14#endif 15 16#define xen_domain() (xen_domain_type != XEN_NATIVE) 17#define xen_pv_domain() (xen_domain() && \ 18 xen_domain_type == XEN_PV_DOMAIN) 19#define xen_hvm_domain() (xen_domain() && \ 20 xen_domain_type == XEN_HVM_DOMAIN) 21 22#ifdef CONFIG_XEN_DOM0 23#include <xen/interface/xen.h> 24#include <asm/xen/hypervisor.h> 25 26#define xen_initial_domain() (xen_domain() && \ 27 xen_start_info && xen_start_info->flags & SIF_INITDOMAIN) 28#else /* !CONFIG_XEN_DOM0 */ 29#define xen_initial_domain() (0) 30#endif /* CONFIG_XEN_DOM0 */ 31 32#ifdef CONFIG_XEN_PVH 33extern bool xen_pvh; 34#define xen_pvh_domain() (xen_hvm_domain() && xen_pvh) 35#else 36#define xen_pvh_domain() (0) 37#endif 38 39#endif /* _XEN_XEN_H */ 40