Author: royger
Date: Tue Mar 11 10:07:55 2014
New Revision: 263003
URL: http://svnweb.freebsd.org/changeset/base/263003
Log:
xen: add macro to detect if running as Dom0
Approved by: gibbs
Sponsored by: Citrix Systems R&D
xen/xen-os.h:
- Add macro to detect if running as Dom0.
Modified:
head/sys/xen/xen-os.h
Modified: head/sys/xen/xen-os.h
==============================================================================
--- head/sys/xen/xen-os.h Tue Mar 11 10:07:01 2014 (r263002)
+++ head/sys/xen/xen-os.h Tue Mar 11 10:07:55 2014 (r263003)
@@ -82,6 +82,13 @@ xen_hvm_domain(void)
return (xen_domain_type == XEN_HVM_DOMAIN);
}
+static inline bool
+xen_initial_domain(void)
+{
+ return (xen_domain() && HYPERVISOR_start_info != NULL &&
+ (HYPERVISOR_start_info->flags & SIF_INITDOMAIN) != 0);
+}
+
#ifndef xen_mb
#define xen_mb() mb()
#endif
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