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| author |   Ohad Ben-Cohen <ohad@wizery.com> | 2011-11-10 11:32:27 +0200 |
|---|---|---|
| committer |   Joerg Roedel <joerg.roedel@amd.com> | 2011-11-10 11:40:37 +0100 |
| commit | 66bc8cf3b1f70227a7847c88c24a36b4886bb3c3 (patch) | |
| tree | f6eb15b1a1a78212a65fae350ef5d1580272897a /drivers/iommu/omap-iommu.c | |
| parent | iommu/core: split mapping to page sizes as supported by the hardware (diff) | |
| download | linux-dev-66bc8cf3b1f70227a7847c88c24a36b4886bb3c3.tar.xz linux-dev-66bc8cf3b1f70227a7847c88c24a36b4886bb3c3.zip | |
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.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index ad80b1d0d099..08cf7ec5b4a5 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) |