projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1ccbf534 JF |
1 | #ifndef _XEN_XEN_H |
| 2 | #define _XEN_XEN_H | |
| 3 | ||
| 4 | enum 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 | |
| 11 | extern 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 | ||
| 4c071ee5 | 26 | #define xen_initial_domain() (xen_domain() && \ |
| 4ed5978b | 27 | xen_start_info && xen_start_info->flags & SIF_INITDOMAIN) |
| 1ccbf534 JF |
28 | #else /* !CONFIG_XEN_DOM0 */ |
| 29 | #define xen_initial_domain() (0) | |
| 30 | #endif /* CONFIG_XEN_DOM0 */ | |
| 31 | ||
| ddc416cb MR |
32 | #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 | |
| 1ccbf534 | 46 | #endif /* _XEN_XEN_H */ |