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RDMA/rxe: Add support for bind MW work requests

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Add support for bind MW work requests from user space.  Since rdma/core
does not support bind mw in ib_send_wr there is no way to support bind mw
in kernel space.

Added bind_mw local operation in rxe_req.c. Added bind_mw WR operation in
rxe_opcode.c. Added bind_mw WC in rxe_comp.c.  Added additional fields to
rxe_mw in rxe_verbs.h. Added rxe_do_dealloc_mw() subroutine to cleanup an
mw when rxe_dealloc_mw is called.  Added code to implement bind_mw
operation in rxe_mw.c

Link: https://lore.kernel.org/r/20210608042552.33275-8-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Bob Pearson 2021-06-07 23:25:50 -05:00 • committed by Jason Gunthorpe
commit 32a577b4c3
6 changed files with 229 additions and 5 deletions
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