RDMA/hns: Support QP's restrack ops for hns driver

mainline inclusion
from mainline-for-next
commit e198d65d
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5TAQ5
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?id=e198d65d76e9

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The QP restrack attributes come from the queue information maintained by
the driver.

For example:

$ rdma res show qp link hns_0 lqpn 41 -jp -dd
[ {
        "ifindex": 4,
        "ifname": "hns_0",
        "port": 1,
        "lqpn": 41,
        "rqpn": 40,
        "type": "RC",
        "state": "RTR",
        "rq-psn": 12474738,
        "sq-psn": 0,
        "path-mig-state": "ARMED",
        "pdn": 9,
        "pid": 1523,
        "comm": "ib_send_bw"
    },
    "drv_sq_wqe_cnt": 128,
    "drv_sq_max_gs": 1,
    "drv_rq_wqe_cnt": 512,
    "drv_rq_max_gs": 2,
    "drv_ext_sge_sge_cnt": 0
}

Link: https://lore.kernel.org/r/20220822104455.2311053-5-liangwenpeng@huawei.com


Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Zhengfeng Luo <luozhengfeng@h-partners.com>
Reviewed-by: Yangyang Li <liyangyang20@huawei.com>
Reviewed-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>