mirror of
https://github.com/Qortal/Brooklyn.git
synced 2025-02-07 06:44:18 +00:00
100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
|
// Copyright (c) 2019 Hisilicon Limited.
|
|
|
|
#include <rdma/rdma_cm.h>
|
|
#include <rdma/restrack.h>
|
|
#include <uapi/rdma/rdma_netlink.h>
|
|
#include "hnae3.h"
|
|
#include "hns_roce_common.h"
|
|
#include "hns_roce_device.h"
|
|
#include "hns_roce_hw_v2.h"
|
|
|
|
static int hns_roce_fill_cq(struct sk_buff *msg,
|
|
struct hns_roce_v2_cq_context *context)
|
|
{
|
|
if (rdma_nl_put_driver_u32(msg, "state",
|
|
hr_reg_read(context, CQC_ARM_ST)))
|
|
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "ceqn",
|
|
hr_reg_read(context, CQC_CEQN)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "cqn",
|
|
hr_reg_read(context, CQC_CQN)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "hopnum",
|
|
hr_reg_read(context, CQC_CQE_HOP_NUM)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "pi",
|
|
hr_reg_read(context, CQC_CQ_PRODUCER_IDX)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "ci",
|
|
hr_reg_read(context, CQC_CQ_CONSUMER_IDX)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "coalesce",
|
|
hr_reg_read(context, CQC_CQ_MAX_CNT)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "period",
|
|
hr_reg_read(context, CQC_CQ_PERIOD)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "cnt",
|
|
hr_reg_read(context, CQC_CQE_CNT)))
|
|
goto err;
|
|
|
|
return 0;
|
|
|
|
err:
|
|
return -EMSGSIZE;
|
|
}
|
|
|
|
int hns_roce_fill_res_cq_entry(struct sk_buff *msg,
|
|
struct ib_cq *ib_cq)
|
|
{
|
|
struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
|
|
struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
|
|
struct hns_roce_v2_cq_context *context;
|
|
struct nlattr *table_attr;
|
|
int ret;
|
|
|
|
if (!hr_dev->dfx->query_cqc_info)
|
|
return -EINVAL;
|
|
|
|
context = kzalloc(sizeof(struct hns_roce_v2_cq_context), GFP_KERNEL);
|
|
if (!context)
|
|
return -ENOMEM;
|
|
|
|
ret = hr_dev->dfx->query_cqc_info(hr_dev, hr_cq->cqn, (int *)context);
|
|
if (ret)
|
|
goto err;
|
|
|
|
table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
|
|
if (!table_attr) {
|
|
ret = -EMSGSIZE;
|
|
goto err;
|
|
}
|
|
|
|
if (hns_roce_fill_cq(msg, context)) {
|
|
ret = -EMSGSIZE;
|
|
goto err_cancel_table;
|
|
}
|
|
|
|
nla_nest_end(msg, table_attr);
|
|
kfree(context);
|
|
|
|
return 0;
|
|
|
|
err_cancel_table:
|
|
nla_nest_cancel(msg, table_attr);
|
|
err:
|
|
kfree(context);
|
|
return ret;
|
|
}
|