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RDMA/siw: Increase DMA max_segment_size parameter 

Increase the DMA max_segment_size parameter from 64 KB to 2 GB.

Link: https://lore.kernel.org/r/20191025225830.257535-4-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Bart Van Assche 2019-10-25 15:58:29 -07:00 committed by Jason Gunthorpe
parent 97458fd510
commit a401fb819c
2 changed files with 4 additions and 0 deletions
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1
drivers/infiniband/sw/siw/siw.h
View File

@ -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;

3
drivers/infiniband/sw/siw/siw_main.c
View File

@ -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);