Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 12/22] iommu: Add function to query the default domain of a group | Date | Thu, 28 May 2015 18:41:35 +0200 |
| |
From: Joerg Roedel <jroedel@suse.de>
This will be used to handle unity mappings in the iommu drivers.
Signed-off-by: Joerg Roedel <jroedel@suse.de> --- drivers/iommu/iommu.c | 5 +++++ include/linux/iommu.h | 1 + 2 files changed, 6 insertions(+)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index ffad1ea..224c6dd 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -837,6 +837,11 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev) return group; } +struct iommu_domain *iommu_group_default_domain(struct iommu_group *group) +{ + return group->default_domain; +} + static int add_iommu_group(struct device *dev, void *data) { struct iommu_callback_data *cb = data; diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 6894999..b944b2b 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -249,6 +249,7 @@ extern int iommu_group_unregister_notifier(struct iommu_group *group, struct notifier_block *nb); extern int iommu_group_id(struct iommu_group *group); extern struct iommu_group *iommu_group_get_for_dev(struct device *dev); +extern struct iommu_domain *iommu_group_default_domain(struct iommu_group *); extern int iommu_domain_get_attr(struct iommu_domain *domain, enum iommu_attr, void *data); -- 1.9.1
| |