aboutsummaryrefslogtreecommitdiffstats
path: root/include/xen
diff options
context:
space:
mode:
authorJeremy Fitzhardinge <jeremy@goop.org>2009-10-06 15:11:14 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-11-04 08:47:24 -0800
commit1ccbf5344c3daef046d2323190cc6807c44f1917 (patch)
tree0c080e1c478a7cd5b67e5ec0af4d9ca97dbcf348 /include/xen
parent9a08f7d3506019e3833cd4394ca0d7da0ae3689f (diff)
downloadmrst-s0i3-test-1ccbf5344c3daef046d2323190cc6807c44f1917.tar.gz
mrst-s0i3-test-1ccbf5344c3daef046d2323190cc6807c44f1917.tar.xz
mrst-s0i3-test-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')
-rw-r--r--include/xen/xen.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/xen/xen.h b/include/xen/xen.h
new file mode 100644
index 00000000000..a16402418d3
--- /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 */