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5a7a9e038b
Use the ib_dma_* helpers to skip the DMA translation instead. This removes the last user if dma_virt_ops and keeps the weird layering violation inside the RDMA core instead of burderning the DMA mapping subsystems with it. This also means the software RDMA drivers now don't have to mess with DMA parameters that are not relevant to them at all, and that in the future we can use PCI P2P transfers even for software RDMA, as there is no first fake layer of DMA mapping that the P2P DMA support. Link: https://lore.kernel.org/r/20201106181941.1878556-8-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
9 lines
240 B
Plaintext
9 lines
240 B
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config INFINIBAND_RDMAVT
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tristate "RDMA verbs transport library"
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depends on INFINIBAND_VIRT_DMA
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depends on X86_64
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depends on PCI
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help
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This is a common software verbs provider for RDMA networks.
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