diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-04-01 17:52:52 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-04-07 10:56:53 +0200 |
| commit | 7e147547783a9035df816864b6a45ffbb254d700 (patch) | |
| tree | 6fec770a6dfdbc48d415ae3f5bdfcfe313d31b34 /drivers/iommu/iommu.c | |
| parent | bc9a05eef113e75cfa792fdf24dae011bc3d5294 (diff) | |
| download | lwn-7e147547783a9035df816864b6a45ffbb254d700.tar.gz lwn-7e147547783a9035df816864b6a45ffbb254d700.zip | |
iommu: remove DOMAIN_ATTR_NESTING
Use an explicit enable_nesting method instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Li Yang <leoyang.li@nxp.com>
Link: https://lore.kernel.org/r/20210401155256.298656-17-hch@lst.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/iommu.c')
| -rw-r--r-- | drivers/iommu/iommu.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 703e67d8cb04..4738bc024240 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2690,6 +2690,16 @@ int iommu_domain_set_attr(struct iommu_domain *domain, } EXPORT_SYMBOL_GPL(iommu_domain_set_attr); +int iommu_enable_nesting(struct iommu_domain *domain) +{ + if (domain->type != IOMMU_DOMAIN_UNMANAGED) + return -EINVAL; + if (!domain->ops->enable_nesting) + return -EINVAL; + return domain->ops->enable_nesting(domain); +} +EXPORT_SYMBOL_GPL(iommu_enable_nesting); + void iommu_get_resv_regions(struct device *dev, struct list_head *list) { const struct iommu_ops *ops = dev->bus->iommu_ops; |