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// 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",
roce_get_field(context->byte_4_pg_ceqn,
V2_CQC_BYTE_4_ARM_ST_M,
V2_CQC_BYTE_4_ARM_ST_S)))
goto err;
if (rdma_nl_put_driver_u32(msg, "ceqn",
roce_get_field(context->byte_4_pg_ceqn,
V2_CQC_BYTE_4_CEQN_M,
V2_CQC_BYTE_4_CEQN_S)))
goto err;
if (rdma_nl_put_driver_u32(msg, "cqn",
roce_get_field(context->byte_8_cqn,
V2_CQC_BYTE_8_CQN_M,
V2_CQC_BYTE_8_CQN_S)))
goto err;
if (rdma_nl_put_driver_u32(msg, "hopnum",
roce_get_field(context->byte_16_hop_addr,
V2_CQC_BYTE_16_CQE_HOP_NUM_M,
V2_CQC_BYTE_16_CQE_HOP_NUM_S)))
goto err;
if (rdma_nl_put_driver_u32(
msg, "pi",
roce_get_field(context->byte_28_cq_pi,
V2_CQC_BYTE_28_CQ_PRODUCER_IDX_M,
V2_CQC_BYTE_28_CQ_PRODUCER_IDX_S)))
goto err;
if (rdma_nl_put_driver_u32(
msg, "ci",
roce_get_field(context->byte_32_cq_ci,
V2_CQC_BYTE_32_CQ_CONSUMER_IDX_M,
V2_CQC_BYTE_32_CQ_CONSUMER_IDX_S)))
goto err;
if (rdma_nl_put_driver_u32(
msg, "coalesce",
roce_get_field(context->byte_56_cqe_period_maxcnt,
V2_CQC_BYTE_56_CQ_MAX_CNT_M,
V2_CQC_BYTE_56_CQ_MAX_CNT_S)))
goto err;
if (rdma_nl_put_driver_u32(
msg, "period",
roce_get_field(context->byte_56_cqe_period_maxcnt,
V2_CQC_BYTE_56_CQ_PERIOD_M,
V2_CQC_BYTE_56_CQ_PERIOD_S)))
goto err;
if (rdma_nl_put_driver_u32(msg, "cnt",
roce_get_field(context->byte_52_cqe_cnt,
V2_CQC_BYTE_52_CQE_CNT_M,
V2_CQC_BYTE_52_CQE_CNT_S)))
goto err;
return 0;
err:
return -EMSGSIZE;
}
static int hns_roce_fill_res_cq_entry(struct sk_buff *msg,
struct rdma_restrack_entry *res)
{
struct ib_cq *ib_cq = container_of(res, struct ib_cq, res);
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)
goto err;
if (hns_roce_fill_cq(msg, context))
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 -EMSGSIZE;
}
int hns_roce_fill_res_entry(struct sk_buff *msg,
struct rdma_restrack_entry *res)
{
if (res->type == RDMA_RESTRACK_CQ)
return hns_roce_fill_res_cq_entry(msg, res);
return 0;
}
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