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authorH. Peter Anvin <hpa@zytor.com>2010-02-11 00:55:28 (GMT)
committerH. Peter Anvin <hpa@zytor.com>2010-02-11 00:55:28 (GMT)
commit84abd88a70090cf00f9e45c3a81680874f17626e (patch)
tree4f58b80057f6e1f5817af1dc33a5458b3dfc9a99 /include/xen/xen.h
parent13ca0fcaa33f6b1984c4111b6ec5df42689fea6f (diff)
parente28cab42f384745c8a947a9ccd51e4aae52f5d51 (diff)
downloadlinux-fsl-qoriq-84abd88a70090cf00f9e45c3a81680874f17626e.tar.xz
Merge remote branch 'linus/master' into x86/bootmem
Diffstat (limited to 'include/xen/xen.h')
-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 0000000..a164024
--- /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 */