diff options
| author | Ohad Ben-Cohen <ohad@wizery.com> | 2011-11-10 11:32:27 +0200 |
|---|---|---|
| committer | Hiroshi DOYU <hdoyu@nvidia.com> | 2012-01-23 11:11:37 +0200 |
| commit | 98e3db576eecf09861d57287893fa127ff5b51cf (patch) | |
| tree | de04830af87468f29da7292de5bafd607bdb1f3b | |
| parent | f0235074c551b8ce5706cbbeb8913424f5be2cde (diff) | |
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>
| -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) |