Question about ibv_reg_mr() and ibv_reg_mr_iova()

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Subject: Question about ibv_reg_mr() and ibv_reg_mr_iova()
From: Xiao Yang <ice_yangxiao@xxxxxxx>
Date: Tue, 6 Jul 2021 22:25:00 +0800
Cc: linux-rdma@xxxxxxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0

Hi all,

After reading the implementation of ibv_reg_mr() and ibv_reg_mr_iova(),I am confused about three variables(i.e. addr, iova, hca_va).


What do these three variables mean? what is the difference between them?

Best Regards,

Xiao Yang

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