RDMA/uverbs: Add uverbs command for dma-buf based MR registration

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Implement a new uverbs ioctl method for memory registration with file
descriptor as an extra parameter.

Link: https://lore.kernel.org/r/1608067636-98073-4-git-send-email-jianxin.xiong@intel.com
Signed-off-by: Jianxin Xiong <jianxin.xiong@intel.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Acked-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Acked-by: Christian Koenig <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

...

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Jianxin Xiong 2020-12-15 13:27:15 -08:00 • committed by Jason Gunthorpe

parent 3bc489e882

commit bfe0cc6eb2

2 changed files with 129 additions and 2 deletions

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117

drivers/infiniband/core/uverbs_std_types_mr.c

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14

include/uapi/rdma/ib_user_ioctl_cmds.h

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