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Jeremy Fitzhardinge1ccbf532009-10-06 15:11:14 -07001#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
Stefano Stabellini4c071ee2012-09-14 13:53:39 +000026#define xen_initial_domain() (xen_domain() && \
Stefano Stabellini4ed59782012-10-03 18:08:52 +010027 xen_start_info && xen_start_info->flags & SIF_INITDOMAIN)
Jeremy Fitzhardinge1ccbf532009-10-06 15:11:14 -070028#else /* !CONFIG_XEN_DOM0 */
29#define xen_initial_domain() (0)
30#endif /* CONFIG_XEN_DOM0 */
31
Mukesh Rathorddc416c2013-12-13 12:39:56 -050032#ifdef CONFIG_XEN_PVH
33/* This functionality exists only for x86. The XEN_PVHVM support exists
34 * only in x86 world - hence on ARM it will be always disabled.
35 * N.B. ARM guests are neither PV nor HVM nor PVHVM.
36 * It's a bit like PVH but is different also (it's further towards the H
37 * end of the spectrum than even PVH).
38 */
39#include <xen/features.h>
40#define xen_pvh_domain() (xen_pv_domain() && \
41 xen_feature(XENFEAT_auto_translated_physmap) && \
42 xen_have_vector_callback)
43#else
44#define xen_pvh_domain() (0)
45#endif
Jeremy Fitzhardinge1ccbf532009-10-06 15:11:14 -070046#endif /* _XEN_XEN_H */