Re: [Qemu-devel] [PATCH 2/2] hw/rdma: Utilize ibv_reg_mr_iova for memory registration

2019-09-01 Thread Yuval Shaia
On Sat, Aug 31, 2019 at 10:31:57PM +0300, Marcel Apfelbaum wrote: > Hi Yuval, > > On 8/18/19 4:21 PM, Yuval Shaia wrote: > > The virtual address that is provided by the guest in post_send and > > post_recv operations is related to the guest address space. This address > > space is unknown to the H

Re: [Qemu-devel] [PATCH 2/2] hw/rdma: Utilize ibv_reg_mr_iova for memory registration

2019-08-31 Thread Marcel Apfelbaum
Hi Yuval, On 8/18/19 4:21 PM, Yuval Shaia wrote: The virtual address that is provided by the guest in post_send and post_recv operations is related to the guest address space. This address space is unknown to the HCA resides on host so extra step in these operations is needed to adjust the addre

[Qemu-devel] [PATCH 2/2] hw/rdma: Utilize ibv_reg_mr_iova for memory registration

2019-08-18 Thread Yuval Shaia
The virtual address that is provided by the guest in post_send and post_recv operations is related to the guest address space. This address space is unknown to the HCA resides on host so extra step in these operations is needed to adjust the address to host virtual address. This step, which is don