summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/iommu.h
diff options
context:
space:
mode:
authorAlistair Popple <alistair@popple.id.au>2013-12-09 18:17:02 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-12-30 14:17:13 +1100
commit3a553170d35d69bea3877bffa508489dfa6f133d (patch)
tree9cb5b53ea4a60e10c9cfe2644f35a9fe4673d050 /arch/powerpc/include/asm/iommu.h
parente589a4404fa06730355de204d3d136ed9bbc7dea (diff)
downloadop-kernel-dev-3a553170d35d69bea3877bffa508489dfa6f133d.zip
op-kernel-dev-3a553170d35d69bea3877bffa508489dfa6f133d.tar.gz
powerpc/iommu: Add it_page_shift field to determine iommu page size
This patch adds a it_page_shift field to struct iommu_table and initiliases it to 4K for all platforms. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/iommu.h')
-rw-r--r--arch/powerpc/include/asm/iommu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h
index 0869c7e..7c92834 100644
--- a/arch/powerpc/include/asm/iommu.h
+++ b/arch/powerpc/include/asm/iommu.h
@@ -76,6 +76,7 @@ struct iommu_table {
struct iommu_pool large_pool;
struct iommu_pool pools[IOMMU_NR_POOLS];
unsigned long *it_map; /* A simple allocation bitmap for now */
+ unsigned long it_page_shift;/* table iommu page size */
#ifdef CONFIG_IOMMU_API
struct iommu_group *it_group;
#endif
OpenPOWER on IntegriCloud