| Message ID | 20191025225830.257535-4-bvanassche@acm.org (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | a401fb819cd6586c2c983dc199be4a9b44c30661 |
| Delegated to: | Jason Gunthorpe |
| Headers | show |
| Series | Fixes related to the DMA max_segment_size parameter | expand |
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 b8fe43074ad6..48e45a852b51 100644 --- a/drivers/infiniband/sw/siw/siw_main.c +++ b/drivers/infiniband/sw/siw/siw_main.c @@ -382,6 +382,9 @@ 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 = SZ_2G }; base_dev->num_comp_vectors = num_possible_cpus(); ib_set_device_ops(base_dev, &siw_device_ops);
Increase the DMA max_segment_size parameter from 64 KB to 2 GB. Cc: Christoph Hellwig <hch@lst.de> Cc: Bernard Metzler <bmt@zurich.ibm.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> --- drivers/infiniband/sw/siw/siw.h | 1 + drivers/infiniband/sw/siw/siw_main.c | 3 +++ 2 files changed, 4 insertions(+)