RDMA/hns: Support MR's restrack ops for hns driver
The MR restrack attributes come from the queue information maintained by
the driver.
For example:
$ rdma res show mr dev hns_0 mrn 6 -dd -jp
[ {
"ifindex": 4,
"ifname": "hns_0",
"mrn": 6,
"rkey": "300",
"lkey": "300",
"mrlen": 131072,
"pdn": 8,
"pid": 1524,
"comm": "ib_send_bw"
},
"drv_pbl_hop_num": 2,
"drv_ba_pg_shift": 14,
"drv_buf_pg_shift": 12
}
Link: https://lore.kernel.org/r/20220822104455.2311053-7-liangwenpeng@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>