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| author | Joerg Roedel <jroedel@suse.de> | 2016-07-05 13:07:53 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2016-07-13 12:46:05 +0200 |
| commit | 33b21a6b203f70e2012b02753134e59c3ab38779 (patch) | |
| tree | dee32522644e5dd8b3e2bc52169eae2ea6facf50 /drivers/iommu | |
| parent | b548e786ce47017107765bbeb0f100202525ea83 (diff) | |
| download | lwn-33b21a6b203f70e2012b02753134e59c3ab38779.tar.gz lwn-33b21a6b203f70e2012b02753134e59c3ab38779.zip | |
iommu: Add apply_dm_region call-back to iommu-ops
This new call-back will be used by the iommu driver to do
reserve the given dm_region in its iova space before the
mapping is created.
The call-back is temporary until the dma-ops implementation
is part of the common iommu code.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/iommu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 3000051f48b4..e8d2fb02d88e 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -348,6 +348,9 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group, list_for_each_entry(entry, &mappings, list) { dma_addr_t start, end, addr; + if (domain->ops->apply_dm_region) + domain->ops->apply_dm_region(dev, domain, entry); + start = ALIGN(entry->start, pg_size); end = ALIGN(entry->start + entry->length, pg_size); |