diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-10-07 00:11:14 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-11-04 17:47:24 +0100 |
| commit | 1ccbf5344c3daef046d2323190cc6807c44f1917 (patch) | |
| tree | 0c080e1c478a7cd5b67e5ec0af4d9ca97dbcf348 /include/xen/xen.h | |
| parent | x86/PCI: allow MMCONFIG above 4GB (diff) | |
| download | linux-1ccbf5344c3daef046d2323190cc6807c44f1917.tar.xz linux-1ccbf5344c3daef046d2323190cc6807c44f1917.zip | |
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/xen/xen.h')
| -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 */ |