To avoid open code everywhere. No intentional functionality change.
Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
---
include/linux/iommu.h | 10 ++++++++++
drivers/iommu/iommu.c | 3 +--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index fce7ad81206f..f554328528bc 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -273,6 +273,16 @@ static inline bool iommu_is_dma_domain(struct iommu_domain *domain)
return domain->type & __IOMMU_DOMAIN_DMA_API;
}
+static inline void
+iommu_domain_set_iopf_handler(struct iommu_domain *domain,
+ enum iommu_page_response_code (*handler)(struct iommu_fault *fault,
+ void *data),
+ void *data)
+{
+ domain->iopf_handler = handler;
+ domain->fault_data = data;
+}
+
enum iommu_cap {
IOMMU_CAP_CACHE_COHERENCY, /* IOMMU_CACHE is supported */
IOMMU_CAP_NOEXEC, /* IOMMU_NOEXEC flag */
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 13a2e0e26884..fd65ed1d3642 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -3419,8 +3419,7 @@ struct iommu_domain *iommu_sva_domain_alloc(struct device *dev,
domain->type = IOMMU_DOMAIN_SVA;
mmgrab(mm);
domain->mm = mm;
- domain->iopf_handler = iommu_sva_handle_iopf;
- domain->fault_data = mm;
+ iommu_domain_set_iopf_handler(domain, iommu_sva_handle_iopf, mm);
return domain;
}
--
2.34.1
