diff options
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index b96a5b2136e4..20f9a527922a 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -50,7 +50,7 @@ struct iommu_domain_geometry { }; struct iommu_domain { - struct iommu_ops *ops; + const struct iommu_ops *ops; void *priv; iommu_fault_handler_t handler; void *handler_token; @@ -140,7 +140,7 @@ struct iommu_ops { #define IOMMU_GROUP_NOTIFY_UNBIND_DRIVER 5 /* Pre Driver unbind */ #define IOMMU_GROUP_NOTIFY_UNBOUND_DRIVER 6 /* Post Driver unbind */ -extern int bus_set_iommu(struct bus_type *bus, struct iommu_ops *ops); +extern int bus_set_iommu(struct bus_type *bus, const struct iommu_ops *ops); extern bool iommu_present(struct bus_type *bus); extern struct iommu_domain *iommu_domain_alloc(struct bus_type *bus); extern struct iommu_group *iommu_group_get_by_id(int id); @@ -181,11 +181,18 @@ extern int iommu_group_register_notifier(struct iommu_group *group, 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 int iommu_domain_get_attr(struct iommu_domain *domain, enum iommu_attr, void *data); extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr, void *data); +struct device *iommu_device_create(struct device *parent, void *drvdata, + const struct attribute_group **groups, + const char *fmt, ...); +void iommu_device_destroy(struct device *dev); +int iommu_device_link(struct device *dev, struct device *link); +void iommu_device_unlink(struct device *dev, struct device *link); /* Window handling function prototypes */ extern int iommu_domain_window_enable(struct iommu_domain *domain, u32 wnd_nr, @@ -396,6 +403,27 @@ static inline int iommu_domain_set_attr(struct iommu_domain *domain, return -EINVAL; } +static inline struct device *iommu_device_create(struct device *parent, + void *drvdata, + const struct attribute_group **groups, + const char *fmt, ...) +{ + return ERR_PTR(-ENODEV); +} + +static inline void iommu_device_destroy(struct device *dev) +{ +} + +static inline int iommu_device_link(struct device *dev, struct device *link) +{ + return -EINVAL; +} + +static inline void iommu_device_unlink(struct device *dev, struct device *link) +{ +} + #endif /* CONFIG_IOMMU_API */ #endif /* __LINUX_IOMMU_H */ |