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authorBart Van Assche <bvanassche@acm.org>2019-10-25 15:58:28 -0700
committerJason Gunthorpe <jgg@mellanox.com>2019-10-28 14:52:03 -0300
commit97458fd510917f142c417245fa5701a892ce69d7 (patch)
treef8bdfe679470765b2ed91844919adcdc63e37067 /drivers/infiniband/sw/rxe/rxe_verbs.c
parentRDMA/core: Fix ib_dma_max_seg_size() (diff)
downloadlinux-dev-97458fd510917f142c417245fa5701a892ce69d7.tar.xz
linux-dev-97458fd510917f142c417245fa5701a892ce69d7.zip
RDMA/rxe: 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/20191025225830.257535-3-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>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_verbs.c')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index fa47bdcc7f54..9dd4bd7aea92 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -1175,6 +1175,9 @@ int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
addrconf_addr_eui48((unsigned char *)&dev->node_guid,
rxe->ndev->dev_addr);
dev->dev.dma_ops = &dma_virt_ops;
+ dev->dev.dma_parms = &rxe->dma_parms;
+ rxe->dma_parms = (struct device_dma_parameters)
+ { .max_segment_size = SZ_2G };
dma_coerce_mask_and_coherent(&dev->dev,
dma_get_required_mask(&dev->dev));