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authorOhad Ben-Cohen <ohad@wizery.com>2011-11-10 11:32:27 +0200
committerJoerg Roedel <joerg.roedel@amd.com>2011-11-10 11:40:37 +0100
commit66bc8cf3b1f70227a7847c88c24a36b4886bb3c3 (patch)
treef6eb15b1a1a78212a65fae350ef5d1580272897a /drivers/iommu/omap-iommu.c
parent7d3002cc8c160dbda0e6ab9cd66dc6eb401b8b70 (diff)
downloadlinux-66bc8cf3b1f70227a7847c88c24a36b4886bb3c3.tar.gz
iommu/omap: announce supported page sizes
Let the IOMMU core know we support 4KiB, 64KiB, 1MiB and 16MiB page sizes. This way the IOMMU core can split any arbitrary-sized physically contiguous regions (that it needs to map) as needed. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Cc: Hiroshi DOYU <hdoyu@nvidia.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/omap-iommu.c')
-rw-r--r--drivers/iommu/omap-iommu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index ad80b1d0d09..08cf7ec5b4a 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -33,6 +33,9 @@
(__i < (n)) && (cr = __iotlb_read_cr((obj), __i), true); \
__i++)
+/* bitmap of the page sizes currently supported */
+#define OMAP_IOMMU_PGSIZES (SZ_4K | SZ_64K | SZ_1M | SZ_16M)
+
/**
* struct omap_iommu_domain - omap iommu domain
* @pgtable: the page table
@@ -1207,6 +1210,7 @@ static struct iommu_ops omap_iommu_ops = {
.unmap = omap_iommu_unmap,
.iova_to_phys = omap_iommu_iova_to_phys,
.domain_has_cap = omap_iommu_domain_has_cap,
+ .pgsize_bitmap = OMAP_IOMMU_PGSIZES,
};
static int __init omap_iommu_init(void)