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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-09-22 09:35:07 -0400
committerIngo Molnar <mingo@elte.hu>2008-09-22 10:47:50 -0400
commitd26dbc5cf94b0a28acc947285c3b54814a73cb2e (patch)
treeba6d44e5945b491166159fee791761ebe4b39134 /lib/iommu-helper.c
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 'lib/iommu-helper.c')
-rw-r--r--lib/iommu-helper.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c
index a3b8d4c3f77a..5d90074dca75 100644
--- a/lib/iommu-helper.c
+++ b/lib/iommu-helper.c
@@ -30,8 +30,7 @@ again:
30 return index; 30 return index;
31} 31}
32 32
33static inline void set_bit_area(unsigned long *map, unsigned long i, 33void iommu_area_reserve(unsigned long *map, unsigned long i, int len)
34 int len)
35{ 34{
36 unsigned long end = i + len; 35 unsigned long end = i + len;
37 while (i < end) { 36 while (i < end) {
@@ -64,7 +63,7 @@ again:
64 start = index + 1; 63 start = index + 1;
65 goto again; 64 goto again;
66 } 65 }
67 set_bit_area(map, index, nr); 66 iommu_area_reserve(map, index, nr);
68 } 67 }
69 return index; 68 return index;
70} 69}