diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-10-06 15:11:14 -0700 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-10-26 14:09:40 -0700 |
| commit | 5dd1af9f84c79bedd589db89e71ca733f3bf0ebd (patch) | |
| tree | d72397c7f628d544ea6557a1ff0e0de3e5a71bba /include | |
| parent | b48a08e5387fee302a0c0ee15b64ec2db4cb2e78 (diff) | |
xen: move Xen-testing predicates to common header
Move xen_domain and related tests out of asm-x86 to xen/xen.h so they
can be included whenever they are necessary.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/xen/xen.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/xen/xen.h b/include/xen/xen.h new file mode 100644 index 000000000000..a16402418d31 --- /dev/null +++ b/include/xen/xen.h @@ -0,0 +1,32 @@ +#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_pv_domain() && \ + xen_start_info->flags & SIF_INITDOMAIN) +#else /* !CONFIG_XEN_DOM0 */ +#define xen_initial_domain() (0) +#endif /* CONFIG_XEN_DOM0 */ + +#endif /* _XEN_XEN_H */ |