summaryrefslogtreecommitdiff
path: root/include/linux/iommu.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r--include/linux/iommu.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index d937580417ba..450293f6d68b 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -35,12 +35,13 @@ struct iommu_domain;
#define IOMMU_FAULT_WRITE 0x1
typedef int (*iommu_fault_handler_t)(struct iommu_domain *,
- struct device *, unsigned long, int);
+ struct device *, unsigned long, int, void *);
struct iommu_domain {
struct iommu_ops *ops;
void *priv;
iommu_fault_handler_t handler;
+ void *handler_token;
};
#define IOMMU_CAP_CACHE_COHERENCY 0x1
@@ -95,7 +96,7 @@ extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain,
extern int iommu_domain_has_cap(struct iommu_domain *domain,
unsigned long cap);
extern void iommu_set_fault_handler(struct iommu_domain *domain,
- iommu_fault_handler_t handler);
+ iommu_fault_handler_t handler, void *token);
extern int iommu_device_group(struct device *dev, unsigned int *groupid);
/**
@@ -132,7 +133,8 @@ static inline int report_iommu_fault(struct iommu_domain *domain,
* invoke it.
*/
if (domain->handler)
- ret = domain->handler(domain, dev, iova, flags);
+ ret = domain->handler(domain, dev, iova, flags,
+ domain->handler_token);
return ret;
}
@@ -191,7 +193,7 @@ static inline int domain_has_cap(struct iommu_domain *domain,
}
static inline void iommu_set_fault_handler(struct iommu_domain *domain,
- iommu_fault_handler_t handler)
+ iommu_fault_handler_t handler, void *token)
{
}