Re: Question about ibv_reg_mr() and ibv_reg_mr_iova()

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On Tue, Jul 06, 2021 at 10:25:00PM +0800, Xiao Yang wrote:
> 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).

Addr is the 'void *'

iova/hca_va reflect the address placed in the RDMA packets

There is a translation between the CPU virtual address and the RDMA
MR's address space.

Jason



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