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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-09-22 22:35:07 +0900
committerIngo Molnar <mingo@elte.hu>2008-09-22 16:47:50 +0200
commitd26dbc5cf94b0a28acc947285c3b54814a73cb2e (patch)
treeba6d44e5945b491166159fee791761ebe4b39134 /include/linux/iommu-helper.h
parent832a90c30485117d65180cc9a8d9869c1b158570 (diff)
iommu: export iommu_area_reserve helper function
x86 has set_bit_string() that does the exact same thing that set_bit_area() in lib/iommu-helper.c does. This patch exports set_bit_area() in lib/iommu-helper.c as iommu_area_reserve(), converts GART, Calgary, and AMD IOMMU to use it. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/iommu-helper.h')
-rw-r--r--include/linux/iommu-helper.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/iommu-helper.h b/include/linux/iommu-helper.h
index 58f41107e4ae..786539e432d7 100644
--- a/include/linux/iommu-helper.h
+++ b/include/linux/iommu-helper.h
@@ -11,6 +11,7 @@ static inline unsigned long iommu_device_max_index(unsigned long size,
extern int iommu_is_span_boundary(unsigned int index, unsigned int nr,
unsigned long shift,
unsigned long boundary_size);
+extern void iommu_area_reserve(unsigned long *map, unsigned long i, int len);
extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size,
unsigned long start, unsigned int nr,
unsigned long shift,