xen.h

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#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 CONFIG_XEN
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 CONFIG_XEN_DOM0
#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 */

#endif  /* _XEN_XEN_H */