summaryrefslogtreecommitdiff
path: root/include/rdma
diff options
context:
space:
mode:
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h23
1 files changed, 20 insertions, 3 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index e1f9673..9e93565 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1739,6 +1739,14 @@ struct ib_dma_mapping_ops {
void (*unmap_sg)(struct ib_device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction);
+ int (*map_sg_attrs)(struct ib_device *dev,
+ struct scatterlist *sg, int nents,
+ enum dma_data_direction direction,
+ unsigned long attrs);
+ void (*unmap_sg_attrs)(struct ib_device *dev,
+ struct scatterlist *sg, int nents,
+ enum dma_data_direction direction,
+ unsigned long attrs);
void (*sync_single_for_cpu)(struct ib_device *dev,
u64 dma_handle,
size_t size,
@@ -3000,8 +3008,12 @@ static inline int ib_dma_map_sg_attrs(struct ib_device *dev,
enum dma_data_direction direction,
unsigned long dma_attrs)
{
- return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
- dma_attrs);
+ if (dev->dma_ops)
+ return dev->dma_ops->map_sg_attrs(dev, sg, nents, direction,
+ dma_attrs);
+ else
+ return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
+ dma_attrs);
}
static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev,
@@ -3009,7 +3021,12 @@ static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev,
enum dma_data_direction direction,
unsigned long dma_attrs)
{
- dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, dma_attrs);
+ if (dev->dma_ops)
+ return dev->dma_ops->unmap_sg_attrs(dev, sg, nents, direction,
+ dma_attrs);
+ else
+ dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction,
+ dma_attrs);
}
/**
* ib_sg_dma_address - Return the DMA address from a scatter/gather entry