RDMA/rxe: Implement synchronous prefetch for ODP MRs

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Minimal implementation of ibv_advise_mr(3) requires synchronous calls being
successful with the IBV_ADVISE_MR_FLAG_FLUSH flag. Asynchronous requests,
which are best-effort, will be supported subsequently.

Signed-off-by: Daisuke Matsuda <dskmtsd@gmail.com>
Link: https://patch.msgid.link/20250522111955.3227-2-dskmtsd@gmail.com
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>

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Daisuke Matsuda 2025-05-22 11:19:54 +00:00 • committed by Leon Romanovsky

parent 19272b37aa

commit 3576b0df15

3 changed files with 103 additions and 0 deletions

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7

drivers/infiniband/sw/rxe/rxe.c

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12

drivers/infiniband/sw/rxe/rxe_loc.h

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84

drivers/infiniband/sw/rxe/rxe_odp.c

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