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 | |
| parent | RDMA/hns: Support QP's restrack raw ops for hns driver (diff) | |
| download | linux-dev-dc9981ef17c6ac371d098c574dcc2ad3de68f567.tar.xz linux-dev-dc9981ef17c6ac371d098c574dcc2ad3de68f567.zip | |
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')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_main.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_restrack.c | 30 |
3 files changed, 32 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index e0395870b819..30a67bc70f1a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -1228,6 +1228,7 @@ int hns_roce_fill_res_cq_entry(struct sk_buff *msg, struct ib_cq *ib_cq); int hns_roce_fill_res_cq_entry_raw(struct sk_buff *msg, struct ib_cq *ib_cq); int hns_roce_fill_res_qp_entry(struct sk_buff *msg, struct ib_qp *ib_qp); int hns_roce_fill_res_qp_entry_raw(struct sk_buff *msg, struct ib_qp *ib_qp); +int hns_roce_fill_res_mr_entry(struct sk_buff *msg, struct ib_mr *ib_mr); struct hns_user_mmap_entry * hns_roce_user_mmap_entry_insert(struct ib_ucontext *ucontext, u64 address, size_t length, diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 17bc73c108f2..ff4386b5c064 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -570,6 +570,7 @@ static const struct ib_device_ops hns_roce_dev_restrack_ops = { .fill_res_cq_entry_raw = hns_roce_fill_res_cq_entry_raw, .fill_res_qp_entry = hns_roce_fill_res_qp_entry, .fill_res_qp_entry_raw = hns_roce_fill_res_qp_entry_raw, + .fill_res_mr_entry = hns_roce_fill_res_mr_entry, }; static int hns_roce_register_device(struct hns_roce_dev *hr_dev) 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; +} |