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authorroyger <royger@FreeBSD.org>2014-03-11 10:07:55 +0000
committerroyger <royger@FreeBSD.org>2014-03-11 10:07:55 +0000
commit57a42c756398e8543cdfb5f911e9e1a9a54145ec (patch)
treedf32f34312cccca9645eeb3c79e89b68002da4e3 /sys/xen
parent5dd05db7ff9533415fbe0d4aedbadb5b115d9509 (diff)
downloadFreeBSD-src-57a42c756398e8543cdfb5f911e9e1a9a54145ec.zip
FreeBSD-src-57a42c756398e8543cdfb5f911e9e1a9a54145ec.tar.gz
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.
Diffstat (limited to 'sys/xen')
-rw-r--r--sys/xen/xen-os.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/xen/xen-os.h b/sys/xen/xen-os.h
index c7474d8..62b5bf6 100644
--- a/sys/xen/xen-os.h
+++ b/sys/xen/xen-os.h
@@ -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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