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intel-iommu: Add for_each_iommu() and for_each_active_iommu() macros
author
David Woodhouse
<David.Woodhouse@intel.com>
Fri, 3 Apr 2009 14:19:32 +0000
(15:19 +0100)
committer
David Woodhouse
<David.Woodhouse@intel.com>
Fri, 3 Apr 2009 20:45:46 +0000
(21:45 +0100)
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
include/linux/dmar.h
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diff --git
a/include/linux/dmar.h
b/include/linux/dmar.h
index
2f34274
..
0b4aa80
100644
(file)
--- a/
include/linux/dmar.h
+++ b/
include/linux/dmar.h
@@
-44,6
+44,14
@@
extern struct list_head dmar_drhd_units;
#define for_each_drhd_unit(drhd) \
list_for_each_entry(drhd, &dmar_drhd_units, list)
+#define for_each_active_iommu(i, drhd) \
+ list_for_each_entry(drhd, &dmar_drhd_units, list) \
+ if (i=drhd->iommu, drhd->ignored) {} else
+
+#define for_each_iommu(i, drhd) \
+ list_for_each_entry(drhd, &dmar_drhd_units, list) \
+ if (i=drhd->iommu, 0) {} else
+
extern int dmar_table_init(void);
extern int dmar_dev_scope_init(void);