[PATCH v4 16/44] infiniband: dma-mapping: Use unsigned long for dma_attrs

Krzysztof Kozlowski
2016-06-10T10:22:28Z

drivers/infiniband/core/umem.c | 7 +++----
include/rdma/ib_verbs.h | 8 ++++----
2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index fe4d2e1a8b58..75d8a8b178a5 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -37,7 +37,6 @@
#include <linux/sched.h>
#include <linux/export.h>
#include <linux/hugetlb.h>
-#include <linux/dma-attrs.h>
#include <linux/slab.h>
#include <rdma/ib_umem_odp.h>

@@ -92,12 +91,12 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
unsigned long npages;
int ret;
int i;
- DEFINE_DMA_ATTRS(attrs);
+ unsigned long attrs = 0;
struct scatterlist *sg, *sg_list_start;
int need_release = 0;

if (dmasync)
- dma_set_attr(DMA_ATTR_WRITE_BARRIER, &attrs);
+ attrs |= DMA_ATTR_WRITE_BARRIER;

if (!size)
return ERR_PTR(-EINVAL);
@@ -215,7 +214,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
umem->sg_head.sgl,
umem->npages,
DMA_BIDIRECTIONAL,
- &attrs);
+ attrs);

if (umem->nmap <= 0) {
ret = -ENOMEM;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 7d7cf4541263..0493a0cd0520 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2893,7 +2893,7 @@ static inline void ib_dma_unmap_single(struct ib_device *dev,
static inline u64 ib_dma_map_single_attrs(struct ib_device *dev,
void *cpu_addr, size_t size,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
return dma_map_single_attrs(dev->dma_device, cpu_addr, size,
direction, attrs);
@@ -2902,7 +2902,7 @@ static inline u64 ib_dma_map_single_attrs(struct ib_device *dev,
static inline void ib_dma_unmap_single_attrs(struct ib_device *dev,
u64 addr, size_t size,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
return dma_unmap_single_attrs(dev->dma_device, addr, size,
direction, attrs);
@@ -2980,7 +2980,7 @@ static inline void ib_dma_unmap_sg(struct ib_device *dev,
static inline int ib_dma_map_sg_attrs(struct ib_device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
return dma_map_sg_attrs(dev->dma_device, sg, nents, direction, attrs);
}
@@ -2988,7 +2988,7 @@ static inline int ib_dma_map_sg_attrs(struct ib_device *dev,
static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, attrs);
}
--
1.9.1