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Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r--include/linux/iommu.h21
1 files changed, 5 insertions, 16 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index efa96263b81b..5e7fe519430a 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -170,7 +170,7 @@ enum iommu_dev_features {
* struct iommu_iotlb_gather - Range information for a pending IOTLB flush
*
* @start: IOVA representing the start of the range to be flushed
- * @end: IOVA representing the end of the range to be flushed (exclusive)
+ * @end: IOVA representing the end of the range to be flushed (inclusive)
* @pgsize: The interval at which to perform the flush
*
* This structure is intended to be updated by multiple calls to the
@@ -246,7 +246,8 @@ struct iommu_ops {
size_t (*unmap)(struct iommu_domain *domain, unsigned long iova,
size_t size, struct iommu_iotlb_gather *iotlb_gather);
void (*flush_iotlb_all)(struct iommu_domain *domain);
- void (*iotlb_sync_map)(struct iommu_domain *domain);
+ void (*iotlb_sync_map)(struct iommu_domain *domain, unsigned long iova,
+ size_t size);
void (*iotlb_sync)(struct iommu_domain *domain,
struct iommu_iotlb_gather *iotlb_gather);
phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova);
@@ -376,6 +377,7 @@ int iommu_device_sysfs_add(struct iommu_device *iommu,
void iommu_device_sysfs_remove(struct iommu_device *iommu);
int iommu_device_link(struct iommu_device *iommu, struct device *link);
void iommu_device_unlink(struct iommu_device *iommu, struct device *link);
+int iommu_deferred_attach(struct device *dev, struct iommu_domain *domain);
static inline void __iommu_device_set_ops(struct iommu_device *iommu,
const struct iommu_ops *ops)
@@ -514,7 +516,6 @@ extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr,
extern int iommu_domain_window_enable(struct iommu_domain *domain, u32 wnd_nr,
phys_addr_t offset, u64 size,
int prot);
-extern void iommu_domain_window_disable(struct iommu_domain *domain, u32 wnd_nr);
extern int report_iommu_fault(struct iommu_domain *domain, struct device *dev,
unsigned long iova, int flags);
@@ -538,7 +539,7 @@ static inline void iommu_iotlb_gather_add_page(struct iommu_domain *domain,
struct iommu_iotlb_gather *gather,
unsigned long iova, size_t size)
{
- unsigned long start = iova, end = start + size;
+ unsigned long start = iova, end = start + size - 1;
/*
* If the new page is disjoint from the current range or is mapped at
@@ -630,7 +631,6 @@ static inline void dev_iommu_priv_set(struct device *dev, void *priv)
int iommu_probe_device(struct device *dev);
void iommu_release_device(struct device *dev);
-bool iommu_dev_has_feature(struct device *dev, enum iommu_dev_features f);
int iommu_dev_enable_feature(struct device *dev, enum iommu_dev_features f);
int iommu_dev_disable_feature(struct device *dev, enum iommu_dev_features f);
bool iommu_dev_feature_enabled(struct device *dev, enum iommu_dev_features f);
@@ -749,11 +749,6 @@ static inline int iommu_domain_window_enable(struct iommu_domain *domain,
return -ENODEV;
}
-static inline void iommu_domain_window_disable(struct iommu_domain *domain,
- u32 wnd_nr)
-{
-}
-
static inline phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova)
{
return 0;
@@ -985,12 +980,6 @@ const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode)
}
static inline bool
-iommu_dev_has_feature(struct device *dev, enum iommu_dev_features feat)
-{
- return false;
-}
-
-static inline bool
iommu_dev_feature_enabled(struct device *dev, enum iommu_dev_features feat)
{
return false;