Increase the DMA max_segment_size parameter from 64 KB to UINT_MAX.
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Bernard Metzler <bmt@xxxxxxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
drivers/infiniband/sw/siw/siw.h | 1 +
drivers/infiniband/sw/siw/siw_main.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/infiniband/sw/siw/siw.h b/drivers/infiniband/sw/siw/siw.h
index dba4535494ab..1ea3ed249e7b 100644
--- a/drivers/infiniband/sw/siw/siw.h
+++ b/drivers/infiniband/sw/siw/siw.h
@@ -70,6 +70,7 @@ struct siw_pd {
struct siw_device {
struct ib_device base_dev;
+ struct device_dma_parameters dma_parms;
struct net_device *netdev;
struct siw_dev_cap attrs;
diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index d1a1b7aa7d83..041496376047 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -402,6 +402,9 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
base_dev->phys_port_cnt = 1;
base_dev->dev.parent = parent;
base_dev->dev.dma_ops = &dma_virt_ops;
+ base_dev->dev.dma_parms = &sdev->dma_parms;
+ sdev->dma_parms = (struct device_dma_parameters)
+ { .max_segment_size = UINT_MAX };
base_dev->num_comp_vectors = num_possible_cpus();
ib_set_device_ops(base_dev, &siw_device_ops);
--
2.23.0
