include/xen/xen.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _XEN_XEN_H
   3 #define _XEN_XEN_H
   4
   5 enum xen_domain_type {
   6         XEN_NATIVE,             /* running on bare hardware    */
   7         XEN_PV_DOMAIN,          /* running in a PV domain      */
   8         XEN_HVM_DOMAIN,         /* running in a Xen hvm domain */
   9 };
  10
  11 #ifdef CONFIG_XEN
  12 extern enum xen_domain_type xen_domain_type;
  13 #else
  14 #define xen_domain_type         XEN_NATIVE
  15 #endif
  16
  17 #ifdef CONFIG_XEN_PVH
  18 extern bool xen_pvh;
  19 #else
  20 #define xen_pvh                 0
  21 #endif
  22
  23 #define xen_domain()            (xen_domain_type != XEN_NATIVE)
  24 #define xen_pv_domain()         (xen_domain_type == XEN_PV_DOMAIN)
  25 #define xen_hvm_domain()        (xen_domain_type == XEN_HVM_DOMAIN)
  26 #define xen_pvh_domain()        (xen_pvh)
  27
  28 #ifdef CONFIG_XEN_DOM0
  29 #include <xen/interface/xen.h>
  30 #include <asm/xen/hypervisor.h>
  31
  32 #define xen_initial_domain()    (xen_domain() && \
  33                                  xen_start_info && xen_start_info->flags & SIF_INITDOMAIN)
  34 #else  /* !CONFIG_XEN_DOM0 */
  35 #define xen_initial_domain()    (0)
  36 #endif  /* CONFIG_XEN_DOM0 */
  37
  38 #endif  /* _XEN_XEN_H */