diff options
| author | Wenpeng Liang <liangwenpeng@huawei.com> | 2022-08-22 18:44:54 +0800 |
|---|---|---|
| committer | Leon Romanovsky <leonro@nvidia.com> | 2022-08-23 11:35:22 +0300 |
| commit | dc9981ef17c6ac371d098c574dcc2ad3de68f567 (patch) | |
| tree | 46d79126df5a961b69e3f7eb30022a6d86a05eb1 /drivers/infiniband/hw/hns/hns_roce_restrack.c | |
| parent | 3e89d78b21a88120f6a858391faba97f2878266e (diff) | |
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>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_restrack.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_restrack.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_restrack.c b/drivers/infiniband/hw/hns/hns_roce_restrack.c index 9bafc627864b..84f942e19743 100644 --- a/drivers/infiniband/hw/hns/hns_roce_restrack.c +++ b/drivers/infiniband/hw/hns/hns_roce_restrack.c @@ -168,3 +168,33 @@ int hns_roce_fill_res_qp_entry_raw(struct sk_buff *msg, struct ib_qp *ib_qp) return ret; } + +int hns_roce_fill_res_mr_entry(struct sk_buff *msg, struct ib_mr *ib_mr) +{ + struct hns_roce_mr *hr_mr = to_hr_mr(ib_mr); + struct nlattr *table_attr; + + table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER); + if (!table_attr) + return -EMSGSIZE; + + if (rdma_nl_put_driver_u32_hex(msg, "pbl_hop_num", hr_mr->pbl_hop_num)) + goto err; + + if (rdma_nl_put_driver_u32_hex(msg, "ba_pg_shift", + hr_mr->pbl_mtr.hem_cfg.ba_pg_shift)) + goto err; + + if (rdma_nl_put_driver_u32_hex(msg, "buf_pg_shift", + hr_mr->pbl_mtr.hem_cfg.buf_pg_shift)) + goto err; + + nla_nest_end(msg, table_attr); + + return 0; + +err: + nla_nest_cancel(msg, table_attr); + + return -EMSGSIZE; +} |