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authorDavid S. Miller <davem@davemloft.net>2009-12-11 17:12:17 -0800
committerDavid S. Miller <davem@davemloft.net>2009-12-11 17:12:17 -0800
commit501706565b2d4d2d40d0d301d5411ede099b8a6f (patch)
tree142a18bf1f1e74a09dbfa27540b893ade0fd797d /include/xen
parente93737b0f0159a61772894943199fd3b6f315641 (diff)
parent2fe77b81c77eed92c4c0439f74c8148a295b4a86 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: include/net/tcp.h
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 */